Yes it is. With BRIDGE Version 6 you have the same convenience for that like for SOAP frontends.
You can either generate a REST frontend with “File/New E2E Model” and then choose “E2E REST Model”.
You the get an example structure for GET/POST/PUT/DELETE and also an resource for the Error messages.
After you have done your implementation behind this API you can deploy it to the E2E BRIDGE Console where you get a direct link for the generated YAML and also one link for testing it directly in the browser via a SwaggerUI: